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SSC JE CE 2017- Environmental Engineering Rankers Quiz 2
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Question 1
In an activated sludge plant F/M (Food to Microorganism) the ratio is equal to
Question 2
If Vs is the settling velocity and Vv is the overflow velocity, then a particle will settle in a vertical settling tank when
Question 3
Disinfection of drinking water is done to remove
Question 4
Which of the following sewage treatment methods has inherent problems of odour, ponding, and fly nuisance?
Question 5
From amongst the following sewage treatment options, largest land requirements for a given discharge will be needed for
Question 6
Most of the turbidity meters work on the scattering principle. The turbidity value so obtained expressed in
Question 7
Hardness of water is directly measured by titration with ethylene–di-amine–tetraceticacid (EDTA) using
Question 8
Total Kjeldahl nitrogen is a measure of
Question 9
1 TCU is equivalent to the colour produced by
Question 10
A water treatment plant is designed to treat 1 m3/s of raw water. It has 14 sand filters. Surface area of each filter is 50 m2. What is the loading rate 
with two filters out of service for outine backwashing? __________
with two filters out of service for outine backwashing? __________ - 2042 attempts
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Sep 8ESE & GATE CE
